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C + 2 Se = CSe2
FeS + HCl + O2 = FeCl2 + H2SO4 =>
FeS + 2 HCl + 2 O2 = FeCl2 + H2SO4
Pb(CH3COO)2 + HCl = PbCl2 + H(CH3COO) =>
Pb(CH3COO)2 + 2 HCl = PbCl2 + 2 H(CH3COO)
FeS + HCl + O2 = FeCl2 + H2SO4 =>
FeS + 2 HCl + 2 O2 = FeCl2 + H2SO4
NH4Cl + Pb(C2H3O2)2 = NH4(C2H3O2) + PbCl2 =>
2 NH4Cl + Pb(C2H3O2)2 = 2 NH4(C2H3O2) + PbCl2
Zn{2+} + CO3{2-} = ZnCO3 =>
Zn{2+} + CO3{2-} = ZnCO3
Fe + CuO = Cu + Fe2O3 =>
2 Fe + 3 CuO = 3 Cu + Fe2O3
FeS + HCl + O2 = FeCl2 + H2SO4 =>
FeS + 2 HCl + 2 O2 = FeCl2 + H2SO4
C12H26 + KAl(SO4)2*12(H2O) = KAlOH + C10H26*9(HOH) + CHOH*(SO4)2 + CH3OH =>
69 C12H26 + 70 KAl(SO4)2*12(H2O) = 70 KAlOH + 58 C10H26*9(HOH) + 70 CHOH*(SO4)2 + 178 CH3OH
CH3CH2OCH2CH3 + H2SO4 = CH3CH2OH + CH3CH2OSO2OH =>
CH3CH2OCH2CH3 + H2SO4 = CH3CH2OH + CH3CH2OSO2OH
CN + MnO4 = CNO + MnO2 =>
2 CN + MnO4 = 2 CNO + MnO2
Cl2 + Zn(OH)2 = ZnCl2 + H2O + O2 =>
2 Cl2 + 2 Zn(OH)2 = 2 ZnCl2 + 2 H2O + O2
Na3PO4(aq) + AgNO3(aq) = Ag(s) + NaNO3(aq) + PO4(aq) =>
Na3PO4(aq) + 3 AgNO3(aq) = 3 Ag(s) + 3 NaNO3(aq) + PO4(aq)
TiAl3 + TiCl3 = TiAl + AlCl3 =>
TiAl3 + TiCl3 = 2 TiAl + AlCl3
FeS + HCl + O2 = FeCl2 + H2SO4 =>
FeS + 2 HCl + 2 O2 = FeCl2 + H2SO4
H2O + NaCl + NaO2 = NaOH + Cl2 =>
4 H2O + 6 NaCl + 2 NaO2 = 8 NaOH + 3 Cl2
CuSO4 + Mg(NO3)2 = Cu(NO3)2 + MgSO4 =>
CuSO4 + Mg(NO3)2 = Cu(NO3)2 + MgSO4
K2Cr2O7 + KCl + H2O = K2CrO4 + HCl =>
K2Cr2O7 + 2 KCl + H2O = 2 K2CrO4 + 2 HCl
FeCl3(aq) + NaOH(aq) = Fe(OH)3 + NaCl(aq) =>
FeCl3(aq) + 3 NaOH(aq) = Fe(OH)3 + 3 NaCl(aq)
C3H5(OH)3 + Na = C3H5O3(Na)3 + H2 =>
2 C3H5(OH)3 + 6 Na = 2 C3H5O3(Na)3 + 3 H2
MnO4{-} + I{-} + H2O = MnO2 + I2 + OH{-} =>
2 MnO4{-} + 6 I{-} + 4 H2O = 2 MnO2 + 3 I2 + 8 OH{-}
FeS + HCl + O2 = FeCl2 + H2SO4 =>
FeS + 2 HCl + 2 O2 = FeCl2 + H2SO4
FeBr2 + NH4OH = Fe(OH)2 + NH4Br =>
FeBr2 + 2 NH4OH = Fe(OH)2 + 2 NH4Br
FeS + HCl + O2 = FeCl2 + H2SO4 =>
FeS + 2 HCl + 2 O2 = FeCl2 + H2SO4
(NH4)2SO4 + SrCl2 = NH4Cl + SrSO4 =>
(NH4)2SO4 + SrCl2 = 2 NH4Cl + SrSO4
NaOH + CO2 = NaHCO3 = NaOH + CO2 =>
NaOH + CO2 = NaHCO3
Na3PO4 + CaS = Ca3(PO4)2 + Na2S =>
2 Na3PO4 + 3 CaS = Ca3(PO4)2 + 3 Na2S
Hg2{2+} + NH3 + H2O = Hg + HgO + NH4{+} =>
Hg2{2+} + 2 NH3 + H2O = Hg + HgO + 2 NH4{+}
SiO2 + H2O = H2SiO3 =>
SiO2 + H2O = H2SiO3
Mg + Zn = MgZn2 =>
Mg + 2 Zn = MgZn2
C6H4(NO2)COOH + HCl + Fe = C6H4(NH2)COOH + FeCl2 + H2O =>
C6H4(NO2)COOH + 6 HCl + 3 Fe = C6H4(NH2)COOH + 3 FeCl2 + 2 H2O
MnO4{-} + Br{-} + H{+} = Mn2{-} + Br2 + H2O =>
4 MnO4{-} + 30 Br{-} + 32 H{+} = 2 Mn2{-} + 15 Br2 + 16 H2O
Na2SO3 + K2Cr2O7 + NaHSO4 = K2SO4 + Cr2(SO4)3 + Na2SO4 + H2O =>
3 Na2SO3 + K2Cr2O7 + 8 NaHSO4 = K2SO4 + Cr2(SO4)3 + 7 Na2SO4 + 4 H2O
Ba(oh)2 + MgSO4 = BaSO4 + Mg(oh)2 =>
Ba(oh)2 + 2 MgSO4 = 2 BaSO4 + Mg(oh)2
Co2(CrO4)3(aq) + LiOH(aq) = Co(OH)3 + Li2CrO4(aq) =>
Co2(CrO4)3(aq) + 6 LiOH(aq) = 2 Co(OH)3 + 3 Li2CrO4(aq)
Fe + KOH + KNO3 = KFeO2 + N2 + H2O =>
10 Fe + 4 KOH + 6 KNO3 = 10 KFeO2 + 3 N2 + 2 H2O
C2H5COOH + O2 = C + H2O =>
2 C2H5COOH + O2 = 6 C + 6 H2O
Mn(NO3)2 + KMnO4 + H2O = MnO2 + KNO3 + HNO3 =>
3 Mn(NO3)2 + 2 KMnO4 + 2 H2O = 5 MnO2 + 2 KNO3 + 4 HNO3
HgSO4 + H2O = Hg + O2 + H2SO4 =>
2 HgSO4 + 2 H2O = 2 Hg + O2 + 2 H2SO4
As4S5 + O2 = As2O6 + SO2 =>
As4S5 + 11 O2 = 2 As2O6 + 5 SO2
MCl + MnO2 + H2SO4 = MHSO4 + MnSO4 + H2O + Cl2 =>
2 MCl + MnO2 + 3 H2SO4 = 2 MHSO4 + MnSO4 + 2 H2O + Cl2
Cu + CrO4 = CuO4 + Cr =>
Cu + CrO4 = CuO4 + Cr
KBr + CaS = K2S + CaBr2 =>
2 KBr + CaS = K2S + CaBr2
NH4I + Cl2 = NH4Cl + I2 =>
2 NH4I + Cl2 = 2 NH4Cl + I2
(CH4) + O2 = CO2 + H2O =>
(CH4) + 2 O2 = CO2 + 2 H2O
Pb(NO3)2 + K3Fe(CN)6 = Pb3Fe(CN)6 + K(NO3)2 =>
3 Pb(NO3)2 + K3Fe(CN)6 = Pb3Fe(CN)6 + 3 K(NO3)2
CH3CHO + Cu = CH3CCuO + H2 =>
2 CH3CHO + 2 Cu = 2 CH3CCuO + H2
AgNo3 + CaCl2 = AgNo3CaCl2 =>
AgNo3 + CaCl2 = AgNo3CaCl2
KMnO4 + Na2SO3 + H2O = KOH + MnO2 + Na2SO4 =>
2 KMnO4 + 3 Na2SO3 + H2O = 2 KOH + 2 MnO2 + 3 Na2SO4
As2O5 + H2SO4 = As2(SO4)5 + H2O =>
As2O5 + 5 H2SO4 = As2(SO4)5 + 5 H2O
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